Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10728981 | Transformerless single-phase unified power quality conditioner (UPQC) for large scale LED lighting networks | Ngai-Man Ho, Radwa Abdalaal | 2020-07-28 |
| 9714759 | Apparatus or circuit for driving a DC powered lighting equipment | Nan Chen | 2017-07-25 |
| 6545431 | Dimmable electronic ballast | Ron Shu Yuen Hui, Eric Ho, Stephen Tsz-sek Lee | 2003-04-08 |
| 6297621 | Voltage sensorless control of power converters | Ron Shu Yuen Hui | 2001-10-02 |